CN204083093U - Electronic third gear speed planetary variable-speed box - Google Patents
Electronic third gear speed planetary variable-speed box Download PDFInfo
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- CN204083093U CN204083093U CN201420530542.5U CN201420530542U CN204083093U CN 204083093 U CN204083093 U CN 204083093U CN 201420530542 U CN201420530542 U CN 201420530542U CN 204083093 U CN204083093 U CN 204083093U
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- casing
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- sliding axle
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Abstract
A kind of electronic third gear speed planetary variable-speed box, relates to technology vehicle drive system field, and what solve is the technical problem reducing electric motor car cost and energy consumption.This gearbox comprises casing, and the rotating input shaft be arranged on casing, it is characterized in that: be provided with planetary pinion in described casing, described input shaft is coaxially arranged with each synchronizer around; Left driven disc and the input shaft of described left synchronizer are coaxially affixed, the right driven disc of left synchronizer and casing affixed, the driving disc of left synchronizer coaxially connects with planetary gear ring; Right driven disc and the input shaft of described right synchronizer are coaxially affixed, the left driven disc of right synchronizer and casing affixed, the driving disc of right synchronizer coaxially connects with planetary sun gear; Described casing is equipped with the gear-shifting actuating mechanism for controlling two synchronizer shifts.The gearbox that the utility model provides, is applicable to the transmission system of electric vehicle.
Description
Technical field
The utility model relates to vehicle drive system technology, particularly relates to a kind of technology of electronic third gear speed planetary variable-speed box.
Background technique
With the beginning of this century owing to promoting that low (or zero) discharges with the sharply demand reaching environmental protection standard, and also need to continue to take into account client and market at Vehicular shift simultaneously, travel smooth-going and requirement that is reasonable price, thus electronic the or hybrid electric vehicle of many employings single grade of speed transmission also arises at the historic moment.
But, single grade of speed transmission is because lacking the restriction of gear number, expensive high-energy must be used to have the motor of flank speed concurrently, both the transmission height torque demand when low-speed running could be met, meet the high speed demand that runs up again, therefore adopt the electric motor car holistic cost of single grade of speed transmission and energy consumption higher.
In order to overcome the defect of single grade of speed transmission, the wide business of many automobile makings is proposed the second gear speed transmission for electric motor car one after another, existing second gear speed transmission all arranges two cover planetary gear set in casing, its shift control mechanism also more complicated, although so decrease to the demand of motor performance, but because the complexity of gear train number and shift control mechanism increases, thus adopt the electric motor car holistic cost of existing second gear speed transmission still higher, its energy consumption is also still higher.
Summary of the invention
For the defect existed in above-mentioned prior art, it is simple that technical problem to be solved in the utility model is to provide a kind of structure, can reduce the electronic third gear speed planetary variable-speed box of electric motor car cost and energy consumption.
In order to solve the problems of the technologies described above, the electronic third gear speed planetary variable-speed box of one provided by the utility model, comprises casing, and the rotating input shaft be arranged on casing, it is characterized in that: in described casing, be provided with planetary pinion, described input shaft is coaxially arranged with each synchronizer around;
Left driven disc and the input shaft of described left synchronizer are coaxially affixed, the right driven disc of left synchronizer and casing affixed, the driving disc of left synchronizer coaxially connects and synchronous axial system with planetary gear ring;
Right driven disc and the input shaft of described right synchronizer are coaxially affixed, the left driven disc of right synchronizer and casing affixed, the driving disc of right synchronizer coaxially connects and synchronous axial system with planetary sun gear;
Described casing is equipped with the gear-shifting actuating mechanism for controlling two synchronizer shifts.
Further, described gear-shifting actuating mechanism comprises a driving lever guide plate, and two cantilevers;
Described casing is equipped with each sliding axle that can horizontally slip around, two sliding axles are respectively fixed with a reverse shift fork, reverse shift fork on left sliding axle connects the shift carriage of left synchronizer, reverse shift fork on right sliding axle connects the shift carriage of right synchronizer, the opposite end of two sliding axles props up mutually with movable fit system, casing is equipped with the sliding axle actuator for driving two sliding axles to slide, described sliding axle actuator has two, one of them sliding axle actuator slides for driving left sliding axle, another sliding axle actuator slides for driving right sliding axle, casing is provided with the shifting fork spring returning back to initial position for ordering about two reverse shift forks, when two reverse shift forks are positioned at initial position, the driving disc of two synchronizers all departs from driven disc and engages,
The upper end of described casing is equipped with a shift lever that can slide up and down, casing is equipped with the driving lever actuator slided up and down for ordering about shift lever, described driving lever guide plate is arranged in casing, and affixed with shift lever, casing is provided with the driving lever spring returning back to initial position for ordering about driving lever guide plate;
Described two cantilevers are all arranged in casing, and between two reverse shift forks, two cantilevers are placed in the left and right sides of shift lever, and cloth is set as the splayed shape expanded gradually from top to bottom, the upper end of two cantilevers all with casing pivot joint, and two cantilevers can be switched to and prop up two reverse shift forks respectively;
Described driving lever guide plate offers each pilot hole around, left cantilever passes the left pilot hole on driving lever guide plate with movable fit system, and propping up the hole wall right part of left pilot hole, right cantilever passes the right pilot hole on driving lever guide plate with movable fit system, and props up the hole wall left part of right pilot hole.
Further, described casing is equipped with differential mechanism, this differential mechanism connects planetary planet carrier by transmission part.
The electronic third gear speed planetary variable-speed box that the utility model provides, only use one group of simple planetary pinion, and two synchronizers, just smooth-going third gear speed Power output can be reached, and gear-shifting actuating mechanism is also fairly simple, can make that electric vehicle reaches smooth-going, high efficiency and energy-conservation operating requirements, electric motor car holistic cost and energy consumption can be reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation of the electronic third gear speed planetary variable-speed box of the utility model embodiment;
Fig. 2 is the structural representation of the driving lever guide plate in the electronic third gear speed planetary variable-speed box of the utility model embodiment;
Fig. 3 is the dynamic curve figure of the electronic third gear speed planetary variable-speed box of the utility model embodiment;
Fig. 4 is the dynamic curve figure of conventional electric second gear speed transmission;
Fig. 5 is the dynamic curve figure of conventional electric single grade of speed transmission.
Embodiment
Illustrate below in conjunction with accompanying drawing and be described in further detail embodiment of the present utility model, but the present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar change thereof, all should list protection domain of the present utility model in.
As shown in Figure 1, the electronic third gear speed planetary variable-speed box of the one that the utility model embodiment provides, comprise casing 100, and the rotating input shaft 300 be arranged on casing, it is characterized in that: in described casing 100, be provided with planetary pinion, described input shaft 300 is coaxially arranged with each synchronizer around;
The left driven disc 411 of described left synchronizer is coaxially affixed with input shaft 300, and the right driven disc 413 of left synchronizer is affixed with casing 100, and the driving disc 412 of left synchronizer connects and synchronous axial system with planetary gear ring 501 is coaxial;
The right driven disc 423 of described right synchronizer is coaxially affixed with input shaft 300, and the left driven disc 421 of right synchronizer is affixed with casing 100, and the driving disc 422 of right synchronizer connects and synchronous axial system with planetary sun gear 502 is coaxial;
Described casing 100 is equipped with the gear-shifting actuating mechanism for controlling two synchronizer shifts.
In the utility model embodiment, described gear-shifting actuating mechanism comprises a driving lever guide plate 232, and two cantilevers 241,242;
Described casing 100 is equipped with each sliding axle that can horizontally slip 211 around, 212, two sliding axles are respectively fixed with a reverse shift fork, reverse shift fork 221 on left sliding axle 211 connects the shift carriage 414 of left synchronizer, reverse shift fork 222 on right sliding axle 212 connects the shift carriage 424 of right synchronizer, two sliding axles 211, the opposite end of 212 props up mutually with movable fit system, casing 100 is equipped with the sliding axle actuator for driving two sliding axles to slide respectively, described sliding axle actuator has two, one of them sliding axle actuator 271 slides for driving left sliding axle 211, another sliding axle actuator 272 slides for driving right sliding axle 212, casing 100 is provided with the shifting fork spring 261 returning back to initial position for ordering about two reverse shift forks, 262, when two reverse shift forks are positioned at initial position, the driving disc of two synchronizers all departs from driven disc and engages,
The upper end of described casing 100 is equipped with a shift lever that can slide up and down 230, casing 100 is equipped with the driving lever actuator 231 slided up and down for ordering about shift lever 230, described driving lever guide plate 232 is arranged in casing 100, and affixed with shift lever 230, casing 100 is provided with the driving lever spring 250 returning back to initial position for ordering about driving lever guide plate 232;
Described two cantilevers 241,242 are all arranged in casing 100, and between two reverse shift forks, two cantilevers 241,242 are placed in the left and right sides of shift lever 230, and cloth is set as the splayed shape expanded gradually from top to bottom, the upper end of two cantilevers all with casing 100 pivot joint, and two cantilevers 241,242 can be switched to and prop up two reverse shift forks 221,222 respectively;
Described driving lever guide plate 232 offers each pilot hole 2321,2322 around, left cantilever 241 passes the left pilot hole 2321 on driving lever guide plate 232 with movable fit system, and prop up the hole wall right part of left pilot hole, right cantilever 242 passes the right pilot hole 2322 on driving lever guide plate 232 with movable fit system, and props up the hole wall left part of right pilot hole.
In the utility model embodiment, described casing 100 is equipped with differential mechanism 600, this differential mechanism 600 connects planetary planet carrier 503 by transmission part 700, the power of planet carrier 503 exports external equipment to by differential mechanism 600, described transmission part 700 is that driving gear, drive chain, drivign belt etc. can by the transmission of power of planet carrier 503 to the parts of differential mechanism 600, in other embodiment of the utility model, also can by the direct outputting power of planet carrier to external equipment.
In the utility model embodiment, what described synchronizer adopted is traditional inertia synchronizer, driving disc in conventional inertia synchronizer is also called clutch collar, driven disc in conventional inertia synchronizer is referred to as synchronizing ring again, in other embodiment of the utility model, described synchronizer also can adopt other existing synchronizer that can realize identical function, number of patent application is such as adopted to be that the controlled disc type engaging and disengaging gear with a driving disc and two driven discs described in the patent documentation of 201410415709.8 is as synchronizer, because of the functional characteristic that it has, make the smoothness easily that more can embody this gearbox during gear shift.
The utility model embodiment is applicable to electric vehicle, the line shaft of driving motor of electric vehicle is connected to input shaft 300, utilize shift lever 230 and two sliding axle actuators 271,272 to control two synchronizer shifts, can realize third gear speed and export, concrete gear control method is as follows:
Neutral gear: in an initial condition, the driving disc 412 of left synchronizer all departs from two driven discs 411,413 and engages, the driving disc 422 of right synchronizer all departs from two driven discs 421,423 and engages, the now unpowered output of planet carrier 503, and gearbox is in neutral position;
First gear: under neutral state, sliding axle actuator 271 is utilized to drive left sliding axle 211 to slide to the right, left sliding axle 211 promotes right sliding axle 212 immediately and synchronously slides to the right, two reverse shift forks 221, 222 also move right thereupon, thus stir the shift carriage 414 of two synchronizers, 424 move to right, the right driven disc 413 of the driving disc 412 of left synchronizer and its is engaged, and the driving disc 422 of right synchronizer engages with its right driven disc 423, now planetary gear ring 501 is fixed, planetary sun gear 502 and input shaft 300 are connected, now the power of driving motor of electric vehicle is sequentially through input shaft 300, right synchronizer, sun gear 502, planet carrier 503, transmission part 700 is passed to differential mechanism 600, by differential mechanism 600 outwards outputting power, thus realize first grade of speed output, after sliding axle actuator 271 removes driving force, at shifting fork spring 261, under the elastic force effect of 262, two sliding axles 211, 212 drive two reverse shift forks to return back to initial position, thus stir the shift carriage 414 of two synchronizers, 424 reset, the driving disc of two synchronizers is all departed from driven disc engage, thus return back to neutral state,
Second gear: under neutral state, sliding axle actuator 272 is utilized to drive right sliding axle 212 to slide left, right sliding axle 212 promotes left sliding axle 211 immediately and synchronously slides left, two reverse shift forks 221, 222 are also moved to the left thereupon, thus stir the shift carriage 414 of two synchronizers, 424 move to left, the left driven disc 411 of the driving disc 412 of left synchronizer and its is engaged, and the driving disc 422 of right synchronizer engages with its left driven disc 421, now planetary gear ring 501 is connected with input shaft 300, planetary sun gear 502 is fixed, now the power of driving motor of electric vehicle is sequentially through input shaft 300, left synchronizer, gear ring 501, planet carrier 503, transmission part 700 is passed to differential mechanism 600, by differential mechanism 600 outwards outputting power, thus realize the output of second gear speed, after sliding axle actuator 272 removes driving force, at shifting fork spring 261, under the elastic force effect of 262, two sliding axles 211, 212 drive two reverse shift forks to return back to initial position, thus stir the shift carriage 414 of two synchronizers, 424 reset, the driving disc of two synchronizers is all departed from driven disc engage, thus return back to neutral state,
Third gear: when neutral state, the pressure that shift lever 230 is executed on driving lever guide plate 232 by driving lever spring 250 tension force playbacks downwards, now two cantilevers 241, 242 along the pilot hole 2321 of driving lever guide plate 232, 2322 and in the situation of adduction, so two reverse shift forks 221 can not be interfered with when first grade or second gear, the left and right of 222 is to movement, when needing to use third gear, driving lever actuator 231 is utilized to drive shift lever 230 upward sliding, now driving lever guide plate 232 also can move up thereupon, thus promote two cantilevers 241, 242 make it along the pilot hole 2321 of driving lever guide plate 232, 2322 outwards open in splayed shape and distinguish ejection two reverse shift forks 221, 222, now left cantilever 241 promotes left reverse shift fork 221 and is moved to the left, and right cantilever 242 promotes right reverse shift fork 222 moves right, thus the shift carriage 414 stirring left synchronizer moves to left, and the shift carriage 424 stirring right synchronizer moves to right, the left driven disc 411 of the driving disc 412 of left synchronizer and its is engaged, and the driving disc 422 of right synchronizer engages with its right driven disc 423, now planetary gear ring 501, sun gear 502 is all connected with input shaft 300, planet carrier 503 has been coupled simultaneously gear ring 501, the power of sun gear 502, now the power of driving motor of electric vehicle is sequentially through input shaft 300, two synchronizers are passed to gear ring 501, sun gear 502, gear ring 501, after the power of sun gear 502 is coupled by planet carrier 503 again, differential mechanism 600 is passed to by transmission part 700, again by differential mechanism 600 outwards outputting power, thus realize the output of third gear speed, after driving lever actuator 231 removes driving force, under the elastic force effect of driving lever spring 250, driving lever guide plate 232 returns back to initial position, now two cantilevers 241, 242 remove two reverse shift forks 221, the ejection force of 222, two reverse shift forks 221, 222 immediately at shifting fork spring 261, initial position is returned back under the elastic force effect of 262, thus stir the shift carriage 414 of two synchronizers, 424 reset, the driving disc of two synchronizers is all departed from driven disc engage, thus return back to neutral state.
The dynamic curve figure of Fig. 3 is the dynamic curve figure of the electronic third gear speed planetary variable-speed box of the utility model embodiment, Fig. 4 to be the dynamic curve figure of conventional electric second gear speed transmission, Fig. 5 be conventional electric single grade of speed transmission;
Axis of abscissas N in Fig. 3, Fig. 4, Fig. 5 represents motor speed, and axis of ordinates T represents motor torque, and the curve R in these 3 figure is identical, and curve R is resistance suffered by vehicle, and the curve D in these 3 figure is identical, and curve D is motor power curve;
Curve X31, X32, X33 in Fig. 3 are the dynamic curve of three shelves speed of electronic third gear speed planetary variable-speed box, curve X21, X22 in Fig. 4 are respectively the dynamic curve of two shelves speed of traditional second gear speed transmission, and the curve X11 in Fig. 5 is single grade of quick-action force curve of tradition single grade of speed transmission;
As can be seen from Fig. 3, Fig. 4, Fig. 5, when adopting same motor, the gear number of gearbox is more, selectable gear ratio is also more, it is available that the such as gearbox of third gear speed has three kinds of gear ratios, and the gearbox of second gear speed to have two kinds of gear ratios available, single grade of fast gearbox only has a kind of gear ratio, therefore the gearbox of third gear speed compares second gear speed transmission, single grade of speed transmission, and output torque or corresponding wheel drive power and the speed of a motor vehicle all have more advantages.
The utility model embodiment is also applicable to need to adopt other electric mechanical equipment of gearbox.
In the utility model embodiment, the function of described gear-shifting actuating mechanism has three, one is that control two synchronizers shift into driving disc simultaneously and engage with right driven disc, two is that control two synchronizers shift into driving disc simultaneously and engage with left driven disc, three is control left synchronizer shift to engage to driving disc with left driven disc, control right synchronizer shift to engage to driving disc with right driven disc simultaneously, in other embodiment of the utility model, gear-shifting actuating mechanism also can adopt other structural type that can realize these three functions;
Such as, use two sliding axle actuators, one of them sliding axle actuator can drive left sliding axle to move to left, left sliding axle can be driven again to move to right, another sliding axle actuator can drive right sliding axle to move to left, right sliding axle can be driven again to move to right, now can realize third gear without the need to the corresponding part such as shift lever and cantilever and control.
Claims (3)
1. an electronic third gear speed planetary variable-speed box, comprises casing, and the rotating input shaft be arranged on casing, it is characterized in that: be provided with planetary pinion in described casing, described input shaft is coaxially arranged with each synchronizer around;
Left driven disc and the input shaft of described left synchronizer are coaxially affixed, the right driven disc of left synchronizer and casing affixed, the driving disc of left synchronizer coaxially connects and synchronous axial system with planetary gear ring;
Right driven disc and the input shaft of described right synchronizer are coaxially affixed, the left driven disc of right synchronizer and casing affixed, the driving disc of right synchronizer coaxially connects and synchronous axial system with planetary sun gear;
Described casing is equipped with the gear-shifting actuating mechanism for controlling two synchronizer shifts.
2. electronic third gear speed planetary variable-speed box according to claim 1, is characterized in that: described gear-shifting actuating mechanism comprises a driving lever guide plate, and two cantilevers;
Described casing is equipped with each sliding axle that can horizontally slip around, two sliding axles are respectively fixed with a reverse shift fork, reverse shift fork on left sliding axle connects the shift carriage of left synchronizer, reverse shift fork on right sliding axle connects the shift carriage of right synchronizer, the opposite end of two sliding axles props up mutually with movable fit system, casing is equipped with the sliding axle actuator for driving two sliding axles to slide, described sliding axle actuator has two, one of them sliding axle actuator slides for driving left sliding axle, another sliding axle actuator slides for driving right sliding axle, casing is provided with the shifting fork spring returning back to initial position for ordering about two reverse shift forks, when two reverse shift forks are positioned at initial position, the driving disc of two synchronizers all departs from driven disc and engages,
The upper end of described casing is equipped with a shift lever that can slide up and down, casing is equipped with the driving lever actuator slided up and down for ordering about shift lever, described driving lever guide plate is arranged in casing, and affixed with shift lever, casing is provided with the driving lever spring returning back to initial position for ordering about driving lever guide plate;
Described two cantilevers are all arranged in casing, and between two reverse shift forks, two cantilevers are placed in the left and right sides of shift lever, and cloth is set as the splayed shape expanded gradually from top to bottom, the upper end of two cantilevers all with casing pivot joint, and two cantilevers can be switched to and prop up two reverse shift forks respectively;
Described driving lever guide plate offers each pilot hole around, left cantilever passes the left pilot hole on driving lever guide plate with movable fit system, and propping up the hole wall right part of left pilot hole, right cantilever passes the right pilot hole on driving lever guide plate with movable fit system, and props up the hole wall left part of right pilot hole.
3. electronic third gear speed planetary variable-speed box according to claim 1 and 2, it is characterized in that: described casing is equipped with differential mechanism, this differential mechanism connects planetary planet carrier by transmission part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530542.5U CN204083093U (en) | 2014-09-16 | 2014-09-16 | Electronic third gear speed planetary variable-speed box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530542.5U CN204083093U (en) | 2014-09-16 | 2014-09-16 | Electronic third gear speed planetary variable-speed box |
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| Publication Number | Publication Date |
|---|---|
| CN204083093U true CN204083093U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420530542.5U Withdrawn - After Issue CN204083093U (en) | 2014-09-16 | 2014-09-16 | Electronic third gear speed planetary variable-speed box |
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| Country | Link |
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| CN (1) | CN204083093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279275A (en) * | 2014-09-16 | 2015-01-14 | 陈扬珑 | Electric three-gear-speed planetary gearbox |
-
2014
- 2014-09-16 CN CN201420530542.5U patent/CN204083093U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279275A (en) * | 2014-09-16 | 2015-01-14 | 陈扬珑 | Electric three-gear-speed planetary gearbox |
| CN104279275B (en) * | 2014-09-16 | 2017-05-03 | 陈扬珑 | Electric three-gear-speed planetary gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20170503 |
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| AV01 | Patent right actively abandoned |